When you buy the right thing, you regret that you bought too little. When you buy the wrong thing, you regret that you bought too much.

When you miss out, you regret not buying. When you are stuck, you regret not cutting out earlier.

Every failed trading decision will make you regret in various ways.

And this [regret] is actually your biggest enemy.

How to keep yourself balanced between regret and no regret is the holy grail you are looking for.

You should keep a calm mind and have no mental pressure to do every transaction correctly.

Even if there are occasional small mistakes like athletes, in general, most of the transactions are transactions within your system.

So, why can't you calm down?

Why are you often nervous?

These are the areas you need to study. If you can't solve the problem of mentality, you will never become a qualified trader.